Tin Compound Patents (Class 252/520.1)
-
Patent number: 6777477Abstract: The invention relates to a coating solution for forming transparent conductive tin oxide film, a method for producing transparent conductive tin oxide film, and transparent conductive tin oxide film. The coating solution is capable of forming, from an inexpensive starting material such as tin oxide or tin chloride, strong tin oxide film endowed with excellent conductivity and transparency. The coating solution, which is intended to be used for forming, by way of coating, transparent conductive film predominantly containing tin oxide, contains stannic acid as its major component, and a water-soluble polymer having a polar group which is dissolved in the presence of at least one compound selected from the group consisting of ammonia and water-soluble amines.Type: GrantFiled: July 17, 2001Date of Patent: August 17, 2004Assignee: Toyo Gosei Kogyo Co., Ltd.Inventors: Kazuma Niume, Takashi Uchida, Masateru Kimura
-
Patent number: 6773636Abstract: There are provided: (1) a process for producing an InSbO4-containing transparent electroconductive film, which comprises the step of sputtering simultaneously: (i) a target (A) for sputtering, which comprises In, Sb and O, and whose atomic ratio of Sb/In is from 0.9 to 1.1, and (ii) a target (B) for sputtering, which comprises Sb, (2) a transparent eletroconductive film, which contains In, Sb and O, and whose atomic ratio of Sb/In is from 0.8 to 1.5, and (3) a target for sputtering, which contains In, Sb and O, and whose atomic ratio of Sb/In is from 1.2 to 2.0.Type: GrantFiled: March 22, 2002Date of Patent: August 10, 2004Assignee: Sumitomo Chemical Company, LimitedInventors: Takeshi Hattori, Kunio Saegusa, Yuzo Shigesato
-
Publication number: 20040084659Abstract: The present invention provides a semiconductive glaze product which exhibits low thermal expansion coefficient without adversely affecting other glaze characteristics, and which, when applied to an insulator, attains enhanced mechanical strength of the insulator; a method for producing the semiconductive glaze product; and an insulator coated with the semiconductive glaze product. The semiconductive glaze product contains a glaze composition and a flux, the glaze composition containing a KNaO—MgO—CaO—Al2O3—SiO2-based base glaze in which the compositional proportions of basic components; i.e., KNaO, MgO, and CaO, as represented by the Seger formula, are 0.1 to 0.4, 0.2 to 0.6, and balance, respectively, and containing a metal oxide composition including tin oxide and antimony oxide, wherein the amount of the flux is 10 parts by weight or less on the basis of 100 parts by weight of the glaze composition.Type: ApplicationFiled: September 12, 2003Publication date: May 6, 2004Applicant: NGK Insulators, Ltd.Inventors: Osamu Imai, Masaru Murase
-
Patent number: 6726856Abstract: The invention relates to a process for preparing electrically conductive pigments based on F−- and/or PO43−-doped tin mixed oxides applied as an electrically conductive layer to a substrate, in which, first of all, SnO2-coated substrates are prepared by precipitation and subsequent calcining and then, in further process steps, this SnO2 layer is converted into a tin mixed oxide layer doped with F− and/or PO43−. The invention further relates to electrically conductive pigments prepared by the process of the invention, to the use of these pigments for pigmenting lacquers, printing inks, plastics systems or coatings, and to lacquers, printing inks, plastics systems or coatings pigmented with an electrically conductive pigment prepared by the process of the invention.Type: GrantFiled: October 19, 2001Date of Patent: April 27, 2004Assignee: Merck Patent GesellschaftInventor: Ralf Glausch
-
Patent number: 6712999Abstract: The present invention relates to an electrochronic element including the following elements: an electrode (E1), an electrochromic functional layer (FS), an ion-conducting electrolyte (EY) a layer with high electrical charge capacity (SK), a counter-electrode (E2), the electrochromic functional layer (FS) being a nanoporous doped semiconductor layer having structure sizes smaller than 50 nm.Type: GrantFiled: March 11, 2002Date of Patent: March 30, 2004Assignee: DaimlerChrysler AGInventors: Jochen Haering, Thomas Kraenzler, Werner Scherber, Horst Weller, Markus Haase, Ulf Zum Felde
-
Patent number: 6706219Abstract: An interface material comprising a resin mixture and at least one solder material is herein described. The resin material may comprise any suitable resin material, but it is preferred that the resin material be silicone-based comprising one or more compounds such as vinyl silicone, vinyl Q resin, hydride functional siloxane and platinum-vinylsiloxane. The solder material may comprise any suitable solder material, such as indium, silver, copper, aluminum and alloys thereof, silver coated copper, and silver coated aluminum, but it is preferred that the solder material comprise indium or indium-based compounds and/or alloys. The interface material, or polymer solder, has the capability of enhancing heat dissipation in high power semiconductor devices and maintains stable thermal performance. The interface material may be formulated by mixing the components together to produce a paste which may be applied by dispensing methods to any particular surface and cured at room temperature or elevated temperature.Type: GrantFiled: May 7, 2001Date of Patent: March 16, 2004Assignee: Honeywell International Inc.Inventor: My Nguyen
-
Patent number: 6664004Abstract: An electrode composition that includes a plurality of composite particles and a plurality of electrically conductive diluent particles admixed with the composite particles. Each of the composite particles includes an electrochemically active metal particle and an electrically conductive layer partially covering the particle. In one aspect, the layer is present in an amount no greater than about 75 wt. % of the composite, while in another aspect the layer is present in an amount no greater than about 75 vol. % of the composite. Also featured are lithium ion batteries featuring electrodes made from these compositions.Type: GrantFiled: June 18, 2001Date of Patent: December 16, 2003Assignee: 3M Innovative Properties CompanyInventors: Larry J. Krause, James R. Landucci, Kevin W. Eberman
-
Patent number: 6638630Abstract: Coating solutions having anti-reflective and anti-static properties, a coating derived therefrom, a substrate coated with the coating and methods for their preparation. A coating includes a sol-gel alkoxide polymeric material and a conductive colloidal metal compound material.Type: GrantFiled: November 21, 2001Date of Patent: October 28, 2003Assignee: Chemat Technology, Inc.Inventors: Sung-Soon Park, Haixing Zheng
-
Patent number: 6632276Abstract: The invention relates to electrically conductive pigments which have, as conductive layer on a substrate, a tin oxide layer doped with phosphorus.Type: GrantFiled: November 28, 1997Date of Patent: October 14, 2003Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventor: Reiner Vogt
-
Patent number: 6623662Abstract: A two-layer coating for the outer surface of the display screen of a color cathode ray tube (CRT) includes an inner carbon black-based layer and an outer silica-based layer. The inner layer is antistatic, while the outer layer is antireflective. To compensate for the increased absorption of blue light by the carbon black particles, which results in a color video image having a yellowish tint, a blue additive, such as a pigment or dye, is added to the coating to adjust its light absorbance characteristics and provide uniform light absorbance over the entire visible spectrum of 400-700 nm for improved color video image presentation.Type: GrantFiled: May 23, 2001Date of Patent: September 23, 2003Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Kuo-Chu Wang, Chun-Min Hu
-
Patent number: 6620342Abstract: The disclosure relates to a reversible, electrically controllable light transmission (RECLT) film, article of manufacture composition, process and product produced by the process, comprising a conductive narrow composition distribution polyvinylidene fluoride copolymer in combination with an electrolyte and an RECLT material. The narrow composition distribution polyvinylidene fluoride copolymer has low solubility, high thermal stability and strength, and very high optical clarity. The polyvinylidene fluoride copolymer comprises a nonporous or porous copolymer of vinylidene fluoride preferably with either hexafluoropropylene or tetrafluoroethylene or chlorotrifluoroethylene, or vinyl acetate, or combinations thereof. The RECLT material includes organic or inorganic compounds known in the art. Typical RECLT materials include electrochromic materials, reversible metal electrodeposition materials, liquid crystal materials and dispersed particle materials.Type: GrantFiled: October 23, 2000Date of Patent: September 16, 2003Assignee: Atofina Chemicals, Inc.Inventors: Michael Timothy Burchill, Marina M. Despotopoulou
-
Patent number: 6613123Abstract: Variable melting point solders and brazes having compositions comprising a metal or metal alloy powder having a low melting point with a metal powder having a higher melting point. Upon heating, in-situ alloying occurs between the low and high melting point powders such that solidification occurs at the solder or braze temperature thus creating a new, higher solidus (or melting) temperature with little or no intermetallic formation. A solder comprising Sn powder mixed with a Sn—Bi eutectic powder having a composition of 63 wt % Sn:57 wt % Bi such that the bulk composition of the mixture is 3 wt % Bi has an initial melting point of 140° C. and a re-melt temperature of 220° C. after heating due to in-situ alloying. A composition of Pb powder mixed with a Pb—Sn eutectic powder having a composition of 62 wt % Sn:58 wt % Pb such that the bulk composition of the mixture is 15 wt % Sn has an initial melting point of 183° C. and a re-melt temperature of 250° C.Type: GrantFiled: May 24, 2001Date of Patent: September 2, 2003Inventors: Stephen F. Corbin, Douglas J. McIsaac, Xin Qiao
-
Patent number: 6558746Abstract: A coating composition for producing electrically conductive coatings, containing one or more electrically conductive pigments and an organic binder, as well as, optionally, additives and auxiliary agents, in an aqueous solvent, which organic binder contains a copolymer dispersible in water and based on (meth)acrylate- and silylated, unsaturated monomers. The total content of organic solvents in the composition does not exceed 0.5% by weight. The coatings thus obtained are especially well-bonded and resistant to mechanical influences and to solvents, and exhibit suitable conductivity (sheet resistivity) values.Type: GrantFiled: October 3, 2001Date of Patent: May 6, 2003Assignee: Ferro GmbHInventors: Karl-Anton Starz, Willi Peter
-
Patent number: 6537510Abstract: One embodiment of the present invention provides a conductive pigment powder, which includes indium oxide, tin and gold, and having a purple color tone. Other embodiments of the present invention provide a method of producing a conductive pigment powder; a dispersion solution and a transparent conductive film, which include the above-mentioned conductive pigment powder; a method of forming a transparent conductive film; and a cathode ray tube, which includes the above-mentioned transparent conductive film and a transparent substrate.Type: GrantFiled: June 13, 2002Date of Patent: March 25, 2003Assignee: Mitsubishi Materials CorporationInventors: Toshiharu Hayashi, Hiroshi Yamaguchi, Daisuke Shibuta
-
Patent number: 6533965Abstract: A transparent electrically conductive oxide film is composed of a compound oxide containing indium oxide, tin oxide, and zinc oxide and includes a connecting section, in which the tin content is higher than the zinc content at least in connecting section, and at least the connection section has crystallinity. Alternatively, in the transparent electrically conductive oxide film, the atomic percentage of zinc to the total of zinc, indium, and tin is in the range of about 1 at % through about 9 at %, the atomic ratio of tin to zinc is about 1 or more, the atomic percentage of tin to the total of zinc, indium, and tin is about 20 at % or less, and at least a portion thereof has crystallinity.Type: GrantFiled: November 22, 2000Date of Patent: March 18, 2003Assignees: Alps Electric Co., LTD, LG. Philips LCD Co., Ltd.Inventors: Makoto Sasaki, Chae Gee Sung, Kazuyuki Arai
-
Patent number: 6533966Abstract: Suspensions and powders based on indium tin oxide are prepared by a method in which indium tin oxide precursors are precipitated from solutions in one or more solvents in the presence of one or more surface-modifying components, the solvent(s) are removed from the precipitate, which is then calcined, one or more surface-modifying components and one or more solvents are added, the mixture is comminuted or dispersed to form a suspension, and the liquid components are separated from the suspension to give a powder. The powder may be converted into a moulding by a shaping process. The materials prepared by this method are especially suitable as coating materials for use in microelectronics and optoelectronics.Type: GrantFiled: February 26, 2001Date of Patent: March 18, 2003Assignee: Institut für Neue Materialien gem. GmbHInventors: Ralph Nonninger, Christian Goebbert, Helmut Schmidt, Robert Drumm, Stefan Sepeur
-
Publication number: 20020185632Abstract: One embodiment of the present invention provides a conductive pigment powder, which includes indium oxide, tin and gold, and having a purple color tone. Another embodiment of the present invention provides a method of producing a conductive pigment powder, which includes coprecipitating one or more hydroxides by reacting a mixed aqueous solution that includes an indium salt, a tin salt and a gold salt, with an alkaline aqueous solution, to obtain one or more hydroxides; and heating the hydroxides. Another embodiment of the present invention provides a dispersion solution, which includes the above-mentioned conductive pigment powder dispersed in one or both of an organic solvent and water, wherein the content of the powder in the solution is 0.01 to 90% by weight. Another embodiment of the present invention provides a transparent conductive film, which includes the above-mentioned conductive pigment powder.Type: ApplicationFiled: June 13, 2002Publication date: December 12, 2002Applicant: MITSUBISHI MATERIALS CORPORATIONInventors: Toshiharu Hayashi, Hiroshi Yamaguchi, Daisuke Shibuta
-
Patent number: 6471889Abstract: One embodiment of the present invention provides a conductive pigment powder, which includes indium oxide, tin and gold, and having a purple color tone. Other embodiments of the present invention provide a method of producing a conductive pigment powder; a dispersion solution and a transparent conductive film, which include the above-mentioned conductive pigment powder; a method of forming a transparent conductive film; and a cathode ray tube, which includes the above-mentioned transparent conductive film and a transparent substrate.Type: GrantFiled: December 4, 2000Date of Patent: October 29, 2002Assignee: Mitsubishi Materials CorporationInventors: Toshiharu Hayashi, Hiroshi Yamaguchi, Daisuke Shibuta
-
Patent number: 6395387Abstract: A transparent film for electrophotographic image formation thereon is formed of a transparent substrate, and a surface-coating layer disposed on at least one surface of the transparent film. The surface coating layer is characterized by exhibiting a contact angle of 55-90 deg. with pure water at 23° C. and a humidity of 50%RH; containing an electronically conductive agent as a resistivity-adjusting agent; a universal hardness of at least 150 N/mm2; and exhibiting a surface resistivity of 1×108-1×1012 ohm/□. As a result of the specified properties, the transparent film exhibits good toner image transfer characteristic and provides images free from transfer failure, such as hollow image dropout, thin image density or discharge pattern formation.Type: GrantFiled: June 30, 1999Date of Patent: May 28, 2002Assignee: Canon Kabushiki KaishaInventor: Jun Mochizuki
-
Patent number: 6372354Abstract: Coating solutions having anti-reflective and anti-static properties, a coating derived therefrom, a substrate coated with the coating and methods for their preparation. A coating includes a sol-gel alkoxide polymeric material and a conductive colloidal metal oxide material.Type: GrantFiled: September 13, 1999Date of Patent: April 16, 2002Assignee: Chemat Technology, Inc.Inventors: Sung-Soon Park, Haixing Zheng
-
Publication number: 20020037369Abstract: A coating composition for producing electrically conductive coatings, containing one or more electrically conductive pigments and an organic binder, as well as, optionally, additives and auxiliary agents, in an aqueous solvent, which organic binder contains a copolymer dispersible in water and based on (meth)acrylate- and silylated, unsaturated monomers. The total content of organic solvents in the composition does not exceed 0.5% by weight. The coatings thus obtained are especially well-bonded and resistant to mechanical influences and to solvents, and exhibit suitable conductivity (sheet resistivity) values.Type: ApplicationFiled: October 3, 2001Publication date: March 28, 2002Inventors: Karl-Anton Starz, Willi Peter
-
Patent number: 6344157Abstract: An composition with improved electrical stability for use in microelectronic applications comprises a polymeric resin, a conductive filler, optionally either a reactive or a nonreactive diluent, optionally an inert filler, and an oxygen scavenger or corrosion inhibitor or both to provide the electrical stability. Alternatively, the composition may also include a low melting point metal filler component.Type: GrantFiled: February 13, 2001Date of Patent: February 5, 2002Assignee: National Starch and Chemical Investment Holding CorporationInventors: Chih-Min Cheng, Gerald Fredrickson, Yue Xiao, Quinn K. Tong, Daoqiang Lu
-
Patent number: 6337160Abstract: The invention relates to novel manganese dioxide electrodes comprising modified, electrochemically active manganese dioxide, to a method for fabricating these novel manganese dioxide electrodes and to the use of these in rechargeable cells.Type: GrantFiled: October 5, 1999Date of Patent: January 8, 2002Assignee: Merck Patent Gesellschaft mit beschrankterInventors: Volker Hilarius, Gerhard Pfaff, Ralf Glausch, Dietmar Rahner, Waldfried Plieth, Matthias Kloss
-
Patent number: 6221144Abstract: A pale electrically conductive pigment consisting of a substrate and an electrically conductive layer formed of phosphorus- and/or fluorine-doped tin oxide. There may be an interlayer disposed between the substrate and the conductive layer.Type: GrantFiled: March 17, 1999Date of Patent: April 24, 2001Assignee: Merck Patent GmbHInventors: Johann Dietz, Wilhelm Goebel, Ralf Glausch, Reiner Vogt
-
Patent number: 6217738Abstract: There is a disclosed composition suitable for use in a process for electroplating surfaces with tin, comprising: a) one or more acids selected from sulphuric acid, sulphamic acid, aryl sulphonic acids, alkyl sulphonic acids and alkanol sulphonic acids, b) one or more addition agents comprising a mono-, di- or tri-substituted phenol (each optionally alkyoxylated) or a mixture of two or more such compounds, in which at least one of the substituents includes a secondary, tertiary or quaternary nitrogen atom, c) a tin source and d) water. There is also disclosed a method of tin plating using the composition of this invention.Type: GrantFiled: December 17, 1998Date of Patent: April 17, 2001Assignee: MacDermid, Inc.Inventor: Cavan Hugh O'Driscoll